[url="http://www.mozillamessaging.com/en-US/thunderbird/3.0.4/releasenotes/"]What's New in Thunderbird 3.0.4[/url]

Thunderbird 3.0.4 fixes the following issue in Thunderbird 3.0.4:

* Several fixes to improve stability and security, see the Security Advisory.
* Several fixes to the user interface.

Please see the complete list of changes in this version. You may also be interested in the Thunderbird 3.0.3 release notes for a list of changes in the previous version.